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mezya [45]
3 years ago
11

What is the value of n in the equation 8n + 9 = -n

Mathematics
2 answers:
ohaa [14]3 years ago
7 0

Hi!

So first subtract 9 to both sides

8n = -n - 9

Now you want the n on one side and the constant on the other

so add the single n to the n side

9n = -9

Divide 9 to both sides to solve for n

n = -1

Hope this helps!

ANTONII [103]3 years ago
6 0

8n+9=-n\ \ \ \ \ |+n\\\\9n+9=0\ \ \ \ |-9\\\\9n=-9\ \ \ \ |:9\\\\\boxed{n=-1}

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